方式一、安装nvm工具 1. git地址点击打开链接，安装命令 curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.31.1/install.sh | bash 国内： curl -o- https://gitee.com/mirrors/nvm/raw/v0.39.0/install.sh | bash or Wget: wget -qO- https://raw.gith